In this video from ExtremeBartending, you can learn how to heat up and serve warm brandy, a classic drink, which is particularly nice to sip on a cold night. The video offers three separate ways to achieve your warm brandy, using hot water in a brandy snifter to warm the glass, and then pouring in the brandy, putting hot water in a separate glass, and then resting your brandy snifter on that, or finally, a bold method that actually involves setting the brandy on fire!